1.1 This test method covers the measurement of the apparent pH of a water extract of an acetone solution of water insoluble phenol-formaldehyde resin.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM D4613-86(1996) Referenced Document
ASTM D1193 Standard Specification for Reagent Water*, 1999-04-22 Update
ASTM E70 Standard Test Method for pH of Aqueous Solutions With the Glass Electrode*, 1997-04-22 Update
ASTM D4613-86(1996) history
1996ASTM D4613-86(1996) Standard Test Method for Measuring Apparent pH of Water Insoluble Phenol-Formaldehyde Resins